/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/ModelingEditorUI/Public/ModelingWidgets/SDraggableBox.h
Create this Drag and Drop Content
a new FDockingDragOperation
static [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FDraggableBoxUIDragOperation](API\Plugins\ModelingEditorUI\ModelingWidgets\FDraggableBoxUIDragOperation) > New ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > & InUIToBeDragged, const FVector2D InDecoratorOffset, const FVector2D & OwnerAreaSize, [SDraggableBox::FOnDragComplete](API\Plugins\ModelingEditorUI\ModelingWidgets\SDraggableBox\FOnDragComplete) & OnDragComplete )